//
//  ChartViewModel.h
//  Futures
//
//  Created by Cheng on 2017/6/22.
//  Copyright © 2017年 Cheng. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface ChartViewModel : NSObject

+ (void)requestQuoteWithSymbol:(NSString *)symbol exchange:(NSString *)exchange block:(void (^)(id obj))block;



@end
